@inproceedings{serban2016building,
  title={Building end-to-end dialogue systems using generative hierarchical neural network models},
  author={Serban, Iulian and Sordoni, Alessandro and Bengio, Yoshua and Courville, Aaron and Pineau, Joelle},
  booktitle={Proceedings of the AAAI Conference on Artificial Intelligence},
  volume={30},
  number={1},
  year={2016}
}